| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | OB | Obstacle | | | CE | erected | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 004 | 400 feet QNE | | | / | | | Centre Latitude | 5204N | 52° 4' North' | | Centre Longitude | 00234W | 2° 34' West | | Radius of area affected | 001 | 1 nautical miles |
| | UNLIT MAST AT POSITION 520412N 0023411W ( TARRINGTON,HEREFORDSHIRE ) IN LOW FLYING AREA 4 AND NIGHT SECTOR 5CN HEIGHT 400FT ABOVE MEAN SEA LEVEL ( 150FT ABOVE GROUND LEVEL ). 25 / 01 / 160 / LFC |
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